LTC3586-1 Linear Technology, LTC3586-1 Datasheet - Page 20

• Manufacturer Part Number: LTC3586-1
• Description: High Effi ciency USB Power Manager
• Manufacturer: Linear Technology

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LTC3586/LTC3586-1
OPERATION
20
NO
100V/R
TIMER > 30 MINUTES
RUN EVENT TIMER
INHIBIT CHARGING
INDICATE BATTERY
FAULT AT CHRG
CHARGE AT
BAT > 2.85V
PROG
(C/10 RATE)
YES
YES
BAT < 2.85V
Figure 4. Flow Chart for Battery Charger Operation (LTC3586)
NO
PAUSE EVENT TIMER
CLEAR EVENT TIMER
ASSERT CHRG LOW
NTC OUT OF RANGE
1022V/R
BATTERY STATE
THROUGH 4.1V
THROUGH 4.1V
BAT FALLING
CHARGE AT
BAT RISING
POWER ON
PROG
NO
2.85V < BAT < 4.15V
NO
NO
RATE
YES
BAT > 4.15V
YES
YES
RUN EVENT TIMER
TIMER > 4 HOURS
STOP CHARGING
FIXED VOLTAGE
RELEASE CHRG
CHARGE WITH
BAT < 4.1V
(4.200V)
HIGH-Z
YES
YES
NO
NO
CHRG CURRENTLY
INHIBIT CHARGER
RELEASE CHRG
NTC FAULT
I
INDICATE
BAT
AT CHRG
HIGH-Z
HIGH-Z
< C/10
YES
NO
YES
NO
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